The head of the multinational search for the missing Malaysia airlines jet said that electronic pulses reportedly picked up by a Chinese ship are an encouraging sign but stresses they are not yet verified. The writing on the t-shirts reads "Praying that MH370 returns home safely." | AP Photo/Lai Seng Sin

The head of the multinational search for the missing Malaysia airlines jet said that electronic pulses reportedly picked up by a Chinese ship are an encouraging sign but stresses they are not yet verified. | AP Photo/Lai Seng Sin